Computer Science
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acm..proc..313k&link_type=abstract
In Lunar and Planetary Inst., Asteroids, Comets, Meteors 1991 p 313-316 (SEE N93-19113 06-90)
Computer Science
Comets, Computerized Simulation, Elevation Angle, Interplanetary Dust, Particle Emission, Particle Trajectories, Spatial Distribution, Distance, Flux Density, Gas Density, Insolation, Residues
Scientific paper
During KOSI (comet simulation) experiments, mineral-ice mixtures are observed in simulated space conditions. Emission of ice-/dust particles from the sample surface is observed by means of different devices. The particle trajectories are recorded with a video system. In the following analysis we extracted the parameters: particle count rate, spatial distribution of starting points on the sample surface, and elevation angle and particle velocity at distances up to 5 cm from the sample surface. Different kinds of detectors are mounted on a frame in front of the sample to register the emitted particles and to collect their dust residues. By means of these instruments the particle count rates, the particle sizes and the composition of the particles can be correlated. The results are related to the gas flux density and the temperature on the sample surface during the insolation period. The particle emission is interpreted in terms of phenomena on the sample surface, e.g., formation of a dust mantle.
Kochan Hermann
Koelzer Gabriele
Thiel Klaus
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